Energy saving lantern



FIG. 1 is a top, side perspective view of an energy saving lantern showing my new design;

FIG. 2 is a left end elevational view thereof, on a reduced scale;

FIG. 3 is a right end elevational view thereof, on a reduced scale;

FIG. 4 is a bottom plan view thereof, on a reduced scale;

FIG. 5 is an elevational view of the side opposite that shown in FIG. 1 on a reduced scale;

FIG. 6 is an elevational view of the side shown in FIG. 1. 

The ornamental design for an energy saving lantern, as shown and described. 